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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/media/dvb-frontends/ix2505v.h | |
parent | Initial commit. (diff) | |
download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip |
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | drivers/media/dvb-frontends/ix2505v.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/ix2505v.h b/drivers/media/dvb-frontends/ix2505v.h new file mode 100644 index 000000000..175569131 --- /dev/null +++ b/drivers/media/dvb-frontends/ix2505v.h @@ -0,0 +1,53 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Driver for Sharp IX2505V (marked B0017) DVB-S silicon tuner + * + * Copyright (C) 2010 Malcolm Priestley + */ + +#ifndef DVB_IX2505V_H +#define DVB_IX2505V_H + +#include <linux/i2c.h> +#include <media/dvb_frontend.h> + +/** + * struct ix2505v_config - ix2505 attachment configuration + * + * @tuner_address: tuner address + * @tuner_gain: Baseband AMP gain control 0/1=0dB(default) 2=-2bB 3=-4dB + * @tuner_chargepump: Charge pump output +/- 0=120 1=260 2=555 3=1200(default) + * @min_delay_ms: delay after tune + * @tuner_write_only: disables reads + */ +struct ix2505v_config { + u8 tuner_address; + u8 tuner_gain; + u8 tuner_chargepump; + int min_delay_ms; + u8 tuner_write_only; + +}; + +#if IS_REACHABLE(CONFIG_DVB_IX2505V) +/** + * ix2505v_attach - Attach a ix2505v tuner to the supplied frontend structure. + * + * @fe: Frontend to attach to. + * @config: pointer to &struct ix2505v_config + * @i2c: pointer to &struct i2c_adapter. + * + * return: FE pointer on success, NULL on failure. + */ +extern struct dvb_frontend *ix2505v_attach(struct dvb_frontend *fe, + const struct ix2505v_config *config, struct i2c_adapter *i2c); +#else +static inline struct dvb_frontend *ix2505v_attach(struct dvb_frontend *fe, + const struct ix2505v_config *config, struct i2c_adapter *i2c) +{ + printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); + return NULL; +} +#endif + +#endif /* DVB_IX2505V_H */ |